SFJNC1K00683MX1

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Feed Through Capacitors are an essential component in many electronic systems, providing the necessary electrical connections for power and signal conductors such as ground, high voltage, and shielding. This article will discuss the application field and working principle of the SFJNC1K00683MX1, a feed through capacitor manufactured by Fukuda Electric Corporation.

Feed through capacitors are used in applications such as AC motor control, audio signals, HVAC, radio frequency shielded enclosures, power supply smoothing, voltage snubbing, and lighting. These components reduce signal noise and interference, prevent high frequency voltage spikes due to motor control, suppress radio or lightning interference, and provide a route of ground continuity throughout a circuit or system.

The SFJNC1K00683MX1 is a ceramic feed through capacitor designed for high voltage applications. It has a working voltage of 4,000VAC, a dielectric strength of 12,000VAC, and an insulation resistance of 10000MΩ (min.). The capacitance is 0.00068µF (±10%). Its construction consists of a metal tube with a ceramic dielectric and two electrodes that pass through the tube. This feed through capacitor provides a stable and reliable connection between two conductors, and is ideal for connecting components with varying voltage levels and shielding electronic circuits from environmental noise.

With its high working voltage and dielectric strength, the SFJNC1K00683MX1 is suitable for a variety of high voltage power application, such as electric motors, HVAC systems, and radio frequency (RF) shielded enclosures. It is also suitable for preventing high frequency voltage spikes and noise interference due to motor control, providing power supply smoothing, and voltage snubbing. This feed through capacitor can be used in range of temperatures, including -40°C to +125°C.

The feed through capacitor works according to the principle of electrolytic capacitance. In DC circuits, the capacitor provides a path of low-resistance for the current to flow and in AC circuits, the capacitor acts as a filter by storing electrical energy and then releasing it in a controlled fashion. This process limits the voltage fluctuations and ripple, ensuring a smooth flow of current in the circuit. The SFJNC1K00683MX1 feed through capacitor is a non-polarized device, which makes it easier to use in bidirectional circuits.

In conclusion, the SFJNC1K00683MX1 feed through capacitor can be used for a variety of applications, including motor control, audio signals, HVAC, power supply smoothing, voltage snubbing, and lighting. Its high working voltage and dielectric strength make it ideal for applications with high voltage power. This component works by providing a low-resistance path for current to flow and filtering/storing electrical energy in AC circuits.

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